/* 1.公共属性样式 */

/* 版心 */
.container{
    width: 1200px;
    margin: 0 auto;
}

/* 测试工具 */
.ab{
    border: 1px solid #ff0000;
}

h1{
    font-weight: normal;
}
/* 浮动 */
.fl{
    float: left;
}

.fr{
    float: right;
}
.clearfix::after{
    content: '';
    height: 0;
    clear: both;
    display:block;
}

.bgc444{
    background-color: #444;
}


/* 头部 */
.head{
    width: 100%;
    line-height: 50px;
    box-sizing: border-box;
    padding: 0px 26px;
    border-bottom: 1px solid white;
    position: absolute;
    z-index: 100;

}
.head-right{
    width: 120px; 
     line-height: 23px;
     margin: 16px 0;
}


.head-logo a img{
    margin-top: 14px;
}
.head-login{
    width: 34px;
}
.head-login2{
    width: 70px;
    background-color: #ed510a;
}

.head-login,
.head-login2{
    text-align: center;
    border: 1px solid white;
    border-radius: 10px;
    font-size: 12px;
    color: #fff
}

.head-login a{
    font-size: 12px;
}
.head-login2 a{
    font-size: 12px;
}
.head-two{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 5px;

}

.head-two  li{
    float: left;
    margin-left: 56px;
    box-sizing: border-box;
}


.head-two .active,
.head-two li:hover {
  border-bottom: 3px solid #fff;
}


/*  尾部 */

.foot-main p{
    margin-bottom: 16px;
}

.foot-main li {
    margin-right:100px;
}

.foot-main li h5{
    margin-bottom: 40px;
    font-size: 16px;
}

.foot-main p a{
    color: rgb(172, 171, 171);
    font-size: 13px;
    margin-bottom: 28px;
}

.foot .foot-foot{
    color: rgb(172, 171, 171);
    font-size: 14px;
}
.foot-main .foot-rig{
    text-align: right;
}


/* 回到顶部按钮 */


.return{
    width: 40px;
    height: 40px;
    border-radius: 20px;
    
    position: fixed;
    left: 50%;
    margin-left: 686px;
    top: 80%;
    transform: translateY(-50%);
    display: none;
    background: url('../imgs/returntopicon.jpg');
    background-position-x: -163px;
    background-position-y: -56px;
}

